fix exports

Author: mauriciopoppe

src/index.ts

@@ -17,12 +17,12 @@ import * as misc from './operations/misc'
 import * as utils from './operations/utils'
 
 // Object assign only supports 4 union levels
-let out1 = Object.assign(constants, round, misc, utils)
-let out2 = Object.assign(relational, arithmetic, algebra, trigonometric)
-let out = Object.assign(_Interval, out1, out2, { round })
+const out1 = Object.assign(constants, round, misc, utils)
+const out2 = Object.assign(relational, arithmetic, algebra, trigonometric)
+const out = Object.assign(_Interval, out1, out2, { round })
 
-export default out;
-export { out as Interval };
+export default out
+export { _Interval as Interval }
 export * from './operations/relational'
 export * from './operations/arithmetic'
 export * from './operations/algebra'

src/interval.ts

@@ -297,7 +297,7 @@ export class _Interval {
 
 // class callable without new
 // https://stackoverflow.com/questions/32807163/call-constructor-on-typescript-class-without-new
-type Interval = _Interval;
+type Interval = _Interval
 const Interval = _Interval as typeof _Interval & ((lo?: Interval | number, hi?: Interval | number) => Interval)
 
-export { Interval };
+export { Interval }

src/round.ts

@@ -54,8 +54,12 @@ const round = {
    * @function
    */
   safeNext: next,
-  prev (x: number): number { return cache.prev(x); },
-  next (x: number): number { return cache.next(x); },
+  prev(x: number): number {
+    return cache.prev(x)
+  },
+  next(x: number): number {
+    return cache.next(x)
+  },
 
   // prettier-ignore
   addLo (x: number, y: number): number { return round.prev(x + y) },